TEXAN HYMENOPTERA. 253 



ample, yellowish-hyaline, nervures and stigma pale honey-yellow ; legs brown- 

 black, with pale hairs; abdomen ovate, smooth and polished, irnpunctured, 

 base, sides and apex with pale pubescence, apical margins of the segments 

 broa<lly testaceous, anal lima pale fulvous. Length .30 inch. 



Two specimen. (Belfrage.) Easily distiuguished by the broad 

 testaceous apical margin of abdominal segments. 



Halictus conncxuisi, n. sp. 



9- — Robust, head and thorax dark green, thinly clothed with short pale 

 pubescence; head broad, closely and minutely punctured, more sparsely so <>ii 

 face and elypeus, apex of latter purplish-black and fringed with long yel- 

 lowish hairs; mandibles sometimes rufo-pieeous; flagellum ])ale brown to- 

 wards apex; thorax very finely not closely punctured, the mesothorax with 

 the central longitudinal Hue generally deeply impressed anteriorly ; scutellum 

 sparsely punctured, faintly impressed centrally ; base of metathorax with more 

 or less irregular radiating elevated lines generally not reaching posterior mar- 

 gin of the enclosure; pubescence on postscutellum, sides of metathorax and 

 pleura long; tegulae pale honey-yellow ; wings clear hyaline, iridescent, nerv- 

 ures and stigma very pale; legs brown, black at base, clothed with pale pubes- 

 cence; abdomen ovate, convex, black, smoothed and polished, imperceptably 

 punctured, sides of first and second and the remaining segments clothed with 

 a short pale pubescence, becoming more dense at apex, apical margin of the 

 segments narrowly testaceous. Length .23 — .27 inch. 



Seventeen specimens. (BeU'rage.) The thorax is very finely and 

 sparsely punctured, differing in that respect from the other species. 



Halictus (lisparilis, n. sp. 



9. — Head and thorax brassy-green, thinly clothed with a pale pubes- 

 cence; head not broad, densely punctured; elypeus sparsely punctured, apex 

 purplish-black and fringed with long pale ochraceous pubescence; mandibles 

 more or less tinged with ferruginous ; flagellum more or less pale beneath 

 towards apex; pubescence of thorax above erect and slightly tinged with 

 ochraceous; mesothorax sparsely punctured, with a central and lateral im- 

 pressed longitudinal lines; scutellum finely and densely punctured on the 

 disk; base of metathorax more or less distinctly rugulose, with irregular radi- 

 ating elevated lines, sometimes quite obsolete; tegulae testaceous ; wings hya- 

 line, iridescent, nervures pale fuscous or pale testaceous; legs brown-black, 

 with pale pubescence, tarsi more or less pale; abdomen short ovate, convex, 

 smooth and shining, impunctured, black, with an aeneous tinge or reflection, 

 base, sides and apex clothed with a short whitish pubescence, thinly scattered 

 over disk of the segments except first and second which are nude and polished, 

 apical margin of the segments subtestaeeous. Length .20 — .25 inch- 

 Eight specimens. (Belfrage.) This is allied to connexus, but dif- 

 fers by the brassy-green color of head and thorax, by the more den.se 

 pubescence, which is tinged with ochraceous or yellow on vertex and 

 thorax above, and by the narrower head. 



